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Stigmas

stigmastane

The parent substance of sitosterol.

Synonym: sitostane.


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modes of Pollination?

... animals, wind, and water. For the animals; nectar and brightly colored petals attract them, wind; large amounts of loose pollen and accessible stigmas would be helpful and water...I"m not sure... my book doesn't seem to address that...? So my question is what other modes are there and ...

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by naturalgoats
Fri Dec 09, 2011 10:54 pm
 
Forum: Botany Discussion
Topic: modes of Pollination?
Replies: 1
Views: 2183

Fruit Flies

... peas and others if you want to make a cross between 2 then its easier cause they are small. and unlike peas you do not need to carefully cover the stigmas and transfer pollens and so on.

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by jwalin
Sun Nov 29, 2009 3:15 am
 
Forum: Genetics
Topic: Fruit Flies
Replies: 6
Views: 1725

Brain size=IQ level theory (Blacks vs Whites & Asians)

... often had an IQ below 90 while the other two had 100 and higher on average. However, another study was conducted, based on the belief that social stigmas play a role on IQ test results. To help demonstrate this tests were carried out on children at the age of 4, with blacks having the highest ...

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by kirusabi
Tue Aug 21, 2007 1:49 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 269902

How do plants reproduce?

... Some plants have both pistils and stamens on their flowers. They are perfect flowers. They can transfer pollen from their own anthers to their own stigmas. This process is called self-pollination. 5 It is necessary for self-pollinating flowers to prevent other plants' pollen from getting into their ...

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by CoolJay221
Wed Feb 15, 2006 4:08 pm
 
Forum: Botany Discussion
Topic: How do plants reproduce?
Replies: 13
Views: 41840

How To Breed Plants?

... I am trying to mix this with a rose. I Have all "bred" it with itself. t has both male and female parts. I doesn't seem like rose have stigmas or the other part. @#$% Confused @#$%

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by blakplanter
Fri Aug 05, 2005 4:06 pm
 
Forum: Botany Discussion
Topic: How To Breed Plants?
Replies: 8
Views: 8490


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